OptoMOS 1-Form-A (SPST-NO) Solid State Relays

Littelfuse offers an extensive portfolio of 1-Form-A (SPST-NO) Solid State Relays (SSRs) in various PC board-mount package sizes. These relays feature load current ratings from 50mA to 9A (20A with heat sink), and 30V to 1000V load voltage ratings. 1-Form-A relays are available in SOP-4, SIP-4, SMD DIP-4, SMD DIP-6, SOIC-16, Power i4-PAC, and ISOPLUS-264 packages. Fault-protected SSRs with active current limit and thermal shutdown are also available from Littelfuse to offer robust and rugged switching solutions.

All Results (298)

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Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
IXYS Integrated Circuits Solid State Relays - PCB Mount 600V 90mA Single OptoMOS Relay 8,520In Stock
Min.: 1
Mult.: 1
Reel: 1,000

IXYS Integrated Circuits Triac & SCR Output Optocouplers 400V, 500mA AC Power Switch 2,390In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount Single-Pole Relay 350V 120mA 1,250In Stock
Min.: 1
Mult.: 1
Reel: 1,000

IXYS Integrated Circuits Solid State Relays - PCB Mount Dual 1-Form-A 250V 50mA SSR 1,032In Stock
Min.: 1
Mult.: 1
Reel: 1,000

IXYS Integrated Circuits Solid State Relays - PCB Mount Dual 1-Form-A 400V 250mA SSR 2,056In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount Single-Pole Relay 250V 250mA 1,235In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 350V 120mA Single OptoMOS Relay 259In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount Dual 1-Form-A 400V 150mA SSR 241In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount Dual 1-Form-A 250V 250mA SSR 181In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount Single-Pole Relay 600V 100mA 321In Stock
Min.: 1
Mult.: 1
Reel: 1,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 400mA Solid State Relay 72,194In Stock
Min.: 1
Mult.: 1
Reel: 2,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 100mA Solid State Relay 93,765In Stock
Min.: 1
Mult.: 1
Reel: 2,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 600mA Solid State Relay 21,377In Stock
Min.: 1
Mult.: 1
Reel: 2,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 750mA Solid State Relay 13,217In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 750mA Solid State Relay 53,905In Stock
22,000Expected 23/3/2026
Min.: 1
Mult.: 1
Reel: 2,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 700mA Solid State Relay 81,308In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 700mA Solid State Relay 98,556In Stock
Min.: 1
Mult.: 1
Reel: 2,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 100V 150mA Solid State Relay 20,881In Stock
11,985Expected 14/5/2026
Min.: 1
Mult.: 1
Reel: 2,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 250V, 1-Form-A SSR 17,629In Stock
Min.: 1
Mult.: 1
Reel: 2,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 100V 100mA Solid State Relay 16,497In Stock
4,000Expected 28/4/2026
Min.: 1
Mult.: 1
Reel: 2,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 400V 120mA Solid State Relay 152,401In Stock
Min.: 1
Mult.: 1
Reel: 2,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 350V 120mA Single OptoMOS Relay 13,801In Stock
Min.: 1
Mult.: 1
Reel: 1,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 100V Single Pole 100V Power Relay 6,665In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount SPST iso PLUS-264 1,056In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount RELAY, SS ICS 8,031In Stock
Min.: 1
Mult.: 1